As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT FLOOR LIGHTING IN RIGHT SIDE OF CABIN ROWS 21 TO 29 COMES ON INTERMITTENTLY. *S/D* THE CAUSE OF THE INTERMITTENT EEL WAS FOUND TO BE A BAD BATTERY ASSEMBLY. UAL CORRECTED THE PROBLEM BY REPLACING THE BATTERY ASSEMBLY WITH AN OVERHAULED, RECHARGED UNIT. NO PROBLEMS HAVE OCCURED SINCE THE REPLACEMENT, SYSTEM OPERATES NORMALLY.